Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

Gone are the days of searching for high-quality graphics on the web and worrying about permissions, copyright, and royalties.

Researchers have developed nanorobots that kill cancer cells in mice. The robot's weapon is hidden in a nanostructure and is exposed only in the tumour microenvironment, sparing healthy cells.